courbette vs sashay

courbette

noun
  • A movement in dressage in which the horse makes a series of jumps on the hind legs with the forelegs in the air. 

sashay

noun
  • A sequence of sideways steps in a circle in square dancing. 

  • A chassé. 

verb
  • To move sideways. 

  • To walk casually, showily or in a flirty manner; to strut, swagger or flounce. 

  • To chassé when dancing. 

How often have the words courbette and sashay occurred in a corpus of books? (source: Google Ngram Viewer )